Mobile power bank-te hian engtin nge electrical energy an dahkhawm?

Mobile power bank-te bulpui ber chu lithium-ion emaw lithium polymer battery (a man 60% aia tam chhiar) a ni. Charge-naah chuan pawn lam power source (mobile phone charger ang chi) chuan micro-USB emaw type-C interface hmangin 5V DC a input a, PCB control board chuan electrical energy chu chemical energy-ah a chantir a, chu chu dahkhawlna atan a ni:

1. Charging Stage: Input current chu IC chip in a regulate a, battery chu constant current (1a ang chi) charge a ni. Voltage 4.2V a thlen chuan overcharging loh nan constant voltage mode ah a inthlak thin.

2. Electrical Energy Storage: Lithium ion te chu positive electrode (lithium cobalt oxide, etc.) leh negative electrode (graphite) te inkarah an migrate a, chu chuan energy a khawlkhawm thei a ni. Battery cell pakhata nominal voltage chu 3.7V a ni a, a capacity chu a tlangpuiin 5000mAh-20000mAh (data source: IEC 61960 standard) a ni.